modelRT/database/query_page.go

// Package database define database operation functions
package database

import (
	"context"
	"time"

	"modelRT/logger"
	"modelRT/orm"

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
)

// QueryAllPages return the all page info of the circuit diagram query by grid_id and zone_id and station_id
func QueryAllPages(ctx context.Context, tx *gorm.DB, gridID, zoneID, stationID int64) ([]orm.Page, error) {
	var pages []orm.Page
	// ctx timeout judgment
	cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()

	result := tx.Model(&orm.Page{}).WithContext(cancelCtx).Clauses(clause.Locking{Strength: "UPDATE"}).Select(`"page".id, "page".Name, "page".status,"page".context`).Joins(`inner join "station" on "station".id = "page".station_id`).Joins(`inner join "zone" on "zone".id = "station".zone_id`).Joins(`inner join "grid" on "grid".id = "zone".grid_id`).Where(`"grid".id = ? and "zone".id = ? and "station".id = ?`, gridID, zoneID, stationID).Scan(&pages)

	if result.Error != nil {
		logger.Error(ctx, "query circuit diagram pages by gridID and zoneID and stationID failed", "grid_id", gridID, "zone_id", zoneID, "station_id", stationID, "error", result.Error)
		return nil, result.Error
	}
	return pages, nil
}